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Add MTRR CPUID bit and clean up VIA C3's CPUID feature bits.

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This commit is contained in:
nerd73
2020-03-31 17:39:55 -06:00
parent fb42a3417d
commit 925f1f3784
1 changed files with 7 additions and 13 deletions
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20
src/cpu_common/cpu.c
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@@ -71,6 +71,7 @@ enum {
CPUID_CMPXCHG8B = (1 << 8),
CPUID_AMDSEP = (1 << 10),
CPUID_SEP = (1 << 11),
CPUID_MTRR = (1 << 12),
CPUID_CMOV = (1 << 15),
CPUID_MMX = (1 << 23),
CPUID_FXSR = (1 << 24)
@@ -2204,7 +2205,7 @@ cpu_CPUID(void)
{
EAX = CPUID;
EBX = ECX = 0;
EDX = CPUID_FPU | CPUID_VME | CPUID_PSE | CPUID_TSC | CPUID_MSR | CPUID_CMPXCHG8B | CPUID_SEP | CPUID_CMOV;
EDX = CPUID_FPU | CPUID_VME | CPUID_PSE | CPUID_TSC | CPUID_MSR | CPUID_CMPXCHG8B | CPUID_MTRR | CPUID_SEP | CPUID_CMOV;
}
else if (EAX == 2)
{
@@ -2225,7 +2226,7 @@ cpu_CPUID(void)
{
EAX = CPUID;
EBX = ECX = 0;
EDX = CPUID_FPU | CPUID_VME | CPUID_PSE | CPUID_TSC | CPUID_MSR | CPUID_CMPXCHG8B | CPUID_MMX | CPUID_SEP | CPUID_CMOV;
EDX = CPUID_FPU | CPUID_VME | CPUID_PSE | CPUID_TSC | CPUID_MSR | CPUID_CMPXCHG8B | CPUID_MMX | CPUID_MTRR | CPUID_SEP | CPUID_CMOV;
}
else if (EAX == 2)
{
@@ -2249,7 +2250,7 @@ cpu_CPUID(void)
{
EAX = CPUID;
EBX = ECX = 0;
EDX = CPUID_FPU | CPUID_VME | CPUID_PSE | CPUID_TSC | CPUID_MSR | CPUID_CMPXCHG8B | CPUID_MMX | CPUID_SEP | CPUID_FXSR | CPUID_CMOV;
EDX = CPUID_FPU | CPUID_VME | CPUID_PSE | CPUID_TSC | CPUID_MSR | CPUID_CMPXCHG8B | CPUID_MMX | CPUID_MTRR | CPUID_SEP | CPUID_FXSR | CPUID_CMOV;
}
else if (EAX == 2)
{
@@ -2283,26 +2284,19 @@ cpu_CPUID(void)
case 1:
EAX = CPUID;
EBX = ECX = 0;
EDX = CPUID_FPU | CPUID_TSC | CPUID_MSR;
EDX = CPUID_FPU | CPUID_TSC | CPUID_MSR | CPUID_MMX | CPUID_MTRR;
if (cpu_has_feature(CPU_FEATURE_CX8))
EDX |= CPUID_CMPXCHG8B;
if (msr.fcr & (1 << 9))
EDX |= CPUID_MMX;
break;
case 0x80000000:
EAX = 0x80000005;
break;
case 0x80000001:
EAX = CPUID;
EDX = CPUID_FPU | CPUID_TSC | CPUID_MSR;
EDX = CPUID_FPU | CPUID_TSC | CPUID_MSR | CPUID_MMX | CPUID_MTRR | CPUID_3DNOW;
if (cpu_has_feature(CPU_FEATURE_CX8))
EDX |= CPUID_CMPXCHG8B;
if (msr.fcr & (1 << 9))
EDX |= CPUID_MMX;
if (cpu_has_feature(CPU_FEATURE_3DNOW))
EDX |= CPUID_3DNOW;
break;
break;
case 0x80000002: /*Processor name string*/
EAX = 0x20414956; /*VIA Samuel*/
EBX = 0x756d6153;